2235205568369 has 4 divisors (see below), whose sum is σ = 2256095340144. Its totient is φ = 2214315796596.

The previous prime is 2235205568341. The next prime is 2235205568371. The reversal of 2235205568369 is 9638655025322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235205568369 is a prime.

It is a super-2 number, since 2×2235205568369² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2235205568269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10444885727 + ... + 10444885940.

It is an arithmetic number, because the mean of its divisors is an integer number (564023835036).

Almost surely, 2^{2235205568369} is an apocalyptic number.

It is an amenable number.

2235205568369 is a deficient number, since it is larger than the sum of its proper divisors (20889771775).

2235205568369 is a wasteful number, since it uses less digits than its factorization.

2235205568369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20889771774.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 2235205568369 in words is "two trillion, two hundred thirty-five billion, two hundred five million, five hundred sixty-eight thousand, three hundred sixty-nine".